[bs-22] Add loads of actuator tests

Discovered a few issues along the way and refactored
accordingly.

[#48127729] [bs-22] Add missing unit tests

spring-bootstrap-samples/spring-bootstrap-actuator-sample/src/test/java/org/springframework/bootstrap/sample/service/ManagementAddressServiceBootstrapApplicationTests.java

@@ -35,7 +35,7 @@ import static org.junit.Assert.assertTrue;
  * @author Dave Syer
  * 
  */
-public class VarzAddressServiceBootstrapApplicationTests {
+public class ManagementAddressServiceBootstrapApplicationTests {
 
 	private static ConfigurableApplicationContext context;
 

spring-bootstrap-samples/spring-bootstrap-actuator-sample/src/test/java/org/springframework/bootstrap/sample/service/ManagementServiceBootstrapApplicationTests.java

@@ -26,7 +26,7 @@ import static org.junit.Assert.assertEquals;
  * @author Dave Syer
  * 
  */
-public class VarzContextServiceBootstrapApplicationTests {
+public class ManagementServiceBootstrapApplicationTests {
 
 	private static ConfigurableApplicationContext context;
 

spring-bootstrap-samples/spring-bootstrap-actuator-sample/src/test/java/org/springframework/bootstrap/sample/service/NoManagementServiceBootstrapApplicationTests.java

@@ -35,7 +35,7 @@ import static org.junit.Assert.assertEquals;
  * @author Dave Syer
  * 
  */
-public class NoVarzContextServiceBootstrapApplicationTests {
+public class NoManagementServiceBootstrapApplicationTests {
 
 	private static ConfigurableApplicationContext context;